<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../js/react.development.js"></script>
    <script src="../js/react-dom.development.js"></script>
    <script src="../js/babel.min.js"></script>
    <script src="../js/prop-types.js"></script>
</head>

<body>
    <div id="root"></div>
    <script type="text/babel">
        class Child extends React.Component {
            constructor(props) {
                super(props);
                this.handleClick = this.handleClick.bind(this);
            }
            handleClick() {
                this.props.fn('传递方法');
            }
            render() {
                return (
                    <div>
                        <h1>Welcome {this.props.name}</h1>
                        <button onClick={this.handleClick}>Click me!</button>
                    </div>
                )
            }
        }
        Child.defaultProps = {
            name: 'anzia',
        }
        Child.propTypes = {
            name: PropTypes.string,
        }

        class Parent extends React.Component {
            constructor(props) {
                super(props);
            }
            fn = (param) => console.log(param);
            render() {
                return (
                    <div>
                        <Child name={name} fn={this.fn} />
                    </div>
                )
            }
        }
        
        ReactDOM.render(<Parent/>, document.getElementById('root'))
    </script>
</body>

</html>